text: 
  import jp_proxy_widget
  
  def greeting():
      greeter = jp_proxy_widget.JSProxyWidget()
      greeter.element.html("<h2>Hello world</h2>")
      greeter.element.css("color", "magenta")
      greeter.element.css("background-color", "blue")
      greeter.element.width(200)
      # Add a click callback
      def callback(*ignored_arguments):
          greeter.element.html("<h1><em>That tickles</em></h1>")
  
      # attach the callback
      greeter.element.on("click", callback)
      return greeter
  